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AlexFokin [52]
3 years ago
8

Unit Test 4

Mathematics
1 answer:
o-na [289]3 years ago
3 0

Answer:

C. 30

Step-by-step explanation:

circumference of the semicircular plot

=\frac{1}{2}\times\pi d+d\\\\=\frac{1}{2}\times 3.14\times 35+ 35\\\\= \frac{1}{2}\times 109.9+35\\\\= 54.95+35\\\\= 89.95\\\\No. \: of\: poles= \frac{89.95}{3}\\\\= 29.98\\\\\approx 30

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